An additional limitation is not having measurements of other possible contaminants.

EPA believes it is critical to enhance drinking water protection to address the growing number of possible contaminants.

However, most degradable bags do not readily decompose in a sealed landfill and represent a possible contaminant to plastic recycling operations.

Pathogenic bacteria, viruses and toxins produced by microorganisms are all possible contaminants of food.

Testing is done for 128 pollutants, 10 heavy metals, 14 herbicides, pesticides and cyanide, for a total of 233 possible contaminants.

Using soap or especially detergents is not recommended, as this merely adds another possible contaminant.

They are also considered a possible contaminant to plastic recycling operations.

The braking surface is farther from the ground and possible contaminants like mud which can coat or freeze on the rim and pads.

With a possible contaminant inside, the lift had been locked down--including the emergency hatch.

This allows them to reduce the possible contaminants from 15,000 to 2.